Java Swing GUI不';使用线程时不显示
我正在编写一个IRC客户端,这是程序线程的基本概要:Java Swing GUI不';使用线程时不显示,java,multithreading,swing,irc,Java,Multithreading,Swing,Irc,我正在编写一个IRC客户端,这是程序线程的基本概要: 主摆动螺纹 用于从服务器输出的线程 (未完成)用于从服务器输入的线程 问题是,当我使用thread.start()启动线程时,它不会显示我的swing gui。我仍然看到调试消息,但JFrame上没有组件。如果有帮助,下面是我的线程代码(我使用的是O'Reilly java hack代码: try{ // Connect directly to the IRC server. Socket socket =
- 主摆动螺纹
- 用于从服务器输出的线程
- (未完成)用于从服务器输入的线程
try{
// Connect directly to the IRC server.
Socket socket = new Socket(server, 6667);
final BufferedWriter writer = new BufferedWriter(
new OutputStreamWriter(socket.getOutputStream( )));
BufferedReader reader = new BufferedReader(
new InputStreamReader(socket.getInputStream( )));
//pause for a second so that the gui can do its thing
this.sleep(500);
// Log on to the server.
writer.write("NICK " + nick + "\r\n");
writer.write("USER " + login + " 8 * : IRC Custom Client-" + "\r\n");
writer.flush( );
System.out.println("hi this is to verify bla.");
appendTo.append("Sent login request.");
// Read lines from the server until it tells us we have connected.
String line = null;
while ((line = reader.readLine( )) != null) {
appendTo.append(line);
if (line.indexOf("004") >= 0) {
appendTo.append("You are now logged in!");
}
else if (line.indexOf("433") >= 0) {
appendTo.append("Nickname is already in use.");
return;
}
else if (line.contains("PING")) {
// We must respond to PINGs to avoid being disconnected.
writer.write("PONG " + line.substring(5) + "\r\n");
writer.write("PRIVMSG " + channel + " : Pinged!!\r\n");
writer.flush( );
}
//after we read the line, sleep.
sleep(10);
}
// Join the channel.
writer.write("JOIN " + channel + "\r\n");
writer.flush( );
// Keep reading lines from the server.
while ((line = reader.readLine( )) != null) {
appendTo.append(line);
if (line.contains("PING")) {
// We must respond to PINGs to avoid being disconnected.
writer.write("PONG " + line.substring(5) + "\r\n");
writer.write("PRIVMSG " + channel + " :I got pinged!\r\n");
writer.flush( );
}
else {
// Print the raw line received by the bot.
appendTo.append(line);
}
sleep(10);
}
socket.close();
writer.close();
reader.close();
}
catch (Exception e){
}
下面是我如何启动线程:
new Thread(){
public void run(){
try {
connectToIRC(nickname, login, server, channel);
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}.start();
你不应该从主线程以外的线程更新你的swing UI。要从其他线程更新你的UI,请使用SwingWorker类。检查文章。尝试发布一个更好的帮助。swing stuff在事件分派线程中运行。有关更多帮助,请阅读@nachokk的好建议,但作为进一步的一般建议,不要阻止EDT,并确保所有GUI都正常运行更新是在EDT上执行的。
SwingWorker
是实现这两个目标的好方法。